If you got any damaged or different disorders with the product, please contact us as soon as possible, and we can resend a brand new product for youAttention: Please use a 5V/2A plug for connection to avoid unstable product current product material: PU+FPCBProduct color: BlackProduct Size:16*64(374*92mm) 20*64(348*102mm 16*32(173*70mm) 16*96(120*595mmConnection method: BluetoothPower supply: USBCurrent voltage: 5V/2A【 Bluetooth Intelligent Application Control 】 Download the appliance (iPixel Color) and connect it to the LED display screen by method of Bluetooth. The software has many interesting patterns and animations built-in, making it clean to DIY design text, patterns, and animations. The LED logo is supplied with a distant control, and diverse exhibit modes could be selected. Brightness and pace can be adjusted. The APP helps connecting a number of LED displays simultaneously lightingThis product is a customized programmable car LED brand full-color LED demonstrate screen. This advantageous LED matrix panel not only emits high-intensity light, but in addition has low calories consumption, a large reveal area, a brighter and softer full-color effect, and no glare.【 IP65 Waterproof Level 】 LED matrix is lightweight, with a versatile board design that could be freely bent. It adopts water resistant epoxy resin expertise and provides a layer of colloidal resin at the floor of the LED matrix to higher protect the interior gentle beads